Last updated: August 21, 2025
January in Haikou, China offers a mild climate, with temperatures ranging from a pleasant 10°C (50°F) at night to a comfortable maximum of 25°C (77°F) during the day, resulting in an average of 19°C (67°F). The month is characterized by moderate humidity levels at 74%, creating a refreshing atmosphere for visitors. While it does see some rainfall, with 23 mm (0.9 in) of precipitation over six days, the dry spells provide ample opportunity for outdoor exploration. Overall, January presents a delightful blend of warmth and occasional showers, making Haikou an attractive destination this time of year.
In January, Haikou, China, enjoys a mild winter, characterized by minimum temperatures around 10°C (50°F) and an average of 19°C (67°F), peaking at a pleasant 25°C (77°F). This month serves as a gentle transition into the warmer months that follow, as February sees only a slight rise in temperatures, reaching an average of 20°C (68°F) and a maximum of 29°C (84°F). As spring approaches, the warmth escalates significantly, with March bringing an average of 23°C (74°F) and highs soaring to 32°C (89°F). The upward trend continues through April and May, where temperatures consistently climb, indicating the onset of summer. The climate shifts from comfortable days to a hotter, more humid atmosphere by June, signaling a vibrant and bustling tropical season. Overall, January is a temperate month that beautifully showcases Haikou's gradual transition from winter coolness to the thriving warmth of spring.
In January, Haikou enjoys a relatively dry start to the year with just 23 mm (0.9 in) of precipitation, spread over approximately 6 rainy days. This minimal rainfall sets the stage for February, where precipitation increases to 39 mm (1.5 in), signaling the gradual shift towards a wetter season. As spring approaches, March and April see a rise in both precipitation and rainy days, culminating in 87 mm (3.4 in) for April, marking a noticeable uptick. The trend continues into the summer months, with June and July bringing substantial rainfall, peaking at 169 mm (6.6 in) in July. By August, the region experiences its wettest month at 275 mm (10.8 in), demonstrating a dramatic contrast to the more subdued moisture levels of early January. This seasonal shift from the drier winter months to the humid summer highlights Haikou's characteristic climate changes, offering a vibrant tapestry of weather patterns throughout the year.
In January, Haikou experiences a humidity level of 74%, setting the stage for a gradual rise as the year progresses. As February transitions into March, humidity creeps up to 78%, hinting at the onset of the wetter months ahead. By April and May, humidity levels consistently hover around the 80% mark, reflecting the growing warmth and moisture in the air. With summer's arrival in June and July, Haikou's humidity peaks, reaching a sultry 87%, before slightly tapering off in August. The subsequent months bring a gradual decline, concluding the year with 79% humidity in December. This trend illustrates Haikou's characteristic tropical climate, where humidity intensifies throughout the spring and summer, providing a lush, vibrant environment.
In January, Haikou, China, experiences a UV Index of 8, categorized as very high, with a burn time of just 15 minutes. This marks the beginning of a notable trend throughout the year, as UV levels climb dramatically by February, reaching an extreme index of 11 and hitting a peak of 13 from May to September. With consistently heightened exposure categories of extreme from February through October, residents and visitors should be especially cautious, limiting sun exposure to just 10 minutes during these months. As the year winds down, the UV Index decreases again, falling back to 9 in November and returning to 8 by December. By staying informed about the UV Index, you can better protect your skin in this sun-saturated region. For more details, visit Haikou UV Index.
UV Risk Categories
In January, Haikou, China, basks in a refreshing 191 hours of sunshine, laying the foundation for a bright year ahead. As winter gives way to spring, the sun shines generously, with February witnessing an impressive rise to 251 hours. The warmth continues to grow, peaking in the summer months, notably in July with a radiant 318 hours. This trend of abundant sunshine carries through into May and June, where daylight reaches 314 and 304 hours, respectively. As the year progresses into autumn and winter, the sun still graces the city with (August at 286 hours, September at 294 hours, leading to a gradual decline), yet the overall trend remains decidedly sunny. Each month reflects a rhythmic dance of light, highlighting Haikou as a delightful destination for sun seekers throughout the year.
In Haikou, China, the likelihood of sunny weather in January stands at 47%, marking it as a promising start to the year. As the months progress into February, the chance of sunshine increases to 58%, suggesting that the days are becoming brighter. However, by March, the probability dips slightly to 45%, and remains relatively steady through April and May. As summer approaches in June, the chance of clear skies plummets to a mere 17%, showcasing Haikou's shift to a wetter, more overcast season. This trend continues through the peak months of July and August before gradually improving again in the fall, with November finally peaking at 54%. Overall, January's weather serves as a springboard into a generally sunny February, but with the understanding that sunnier days are fleeting until late fall.
In Haikou, China, January marks the beginning of the year with a steady 11 hours of daylight, a trend that continues into February. As the seasons transition, March and April bring a slight increase, offering 12 hours of sunlight, which hints at the approaching warmth of spring. The peak daylight hours are reached in the summer months of May, June, and July, each enjoying a robust 13 hours. However, as August arrives, the daylight begins its gradual descent back to 12 hours, reflecting the onset of autumn. By October and November, daylight shrinks to 11 hours, before tapering off in December to a cozy 10 hours, signaling the return of winter. This rhythmic fluctuation in daylight hours vividly showcases Haikou's seasonal transformations, inviting residents and visitors alike to embrace the varying lengths of sunlight throughout the year.
In January, Haikou experiences an average wind speed of 5.0 m/s (11 mph), positioning it as one of the more notable months for wind in this coastal city. As the year progresses into February, a significant dip occurs, with the average wind speed dropping to 3.9 m/s (9 mph). This gentle breeze contrasts with the slightly stronger winds in March and November, both hovering around 5.0 m/s. The trend shows that while the wind picks up toward the end of the year, peaking in October at 6.8 m/s (15 mph), January maintains a steady presence, bridging the gap between the calmer February and the more vigorous winds of later months. Thus, January serves as a transitional month, balancing the tranquility of early year with the dynamic shifts to come.
Weather in Haikou varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Haikou, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather is generally mild with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 25°C (77°F), and a comfortable average of 19°C (67°F). The month experiences around 23 mm (0.9 in) of rainfall over 6 days, coupled with humidity levels at 74%. By contrast, February sees a slight increase in temperature, with a minimum of 10°C (51°F) and a maximum of 29°C (84°F), resulting in an average of 20°C (68°F). However, February is also wetter, receiving about 39 mm (1.5 in) of precipitation over the same number of days, while humidity rises slightly to 75%. For more details, check out Haikou weather in February.
January and March exhibit notable differences in weather patterns. In January, temperatures range from a minimum of 10°C (50°F) to a maximum of 25°C (77°F), with an average of 19°C (67°F), while March sees higher temperatures, ranging from 16°C (61°F) to 32°C (89°F) and an average of 23°C (74°F). Precipitation is slightly more prevalent in March, with 30 mm (1.2 in) over 8 days, compared to January's 23 mm (0.9 in) over 6 days. Additionally, humidity rises from 74% in January to 78% in March, hinting at the approaching warmth of spring. For more detailed information, check Haikou weather in March.
In comparing the weather between January and April, notable differences emerge. January typically boasts milder temperatures, with a minimum of 10°C (50°F) and an average of 19°C (67°F), while April experiences notably warmer conditions, starting from a minimum of 17°C (63°F) and averaging 25°C (77°F). Additionally, April sees a considerable increase in precipitation, amounting to 87 mm (3.4 in) over 13 days compared to January's 23 mm (0.9 in) across just 6 days. Humidity also rises slightly from 74% in January to 80% in April, reflecting the transition to a more humid climate as spring unfolds. For more details, you can visit Haikou weather in April.
In January, the weather is relatively mild, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 25°C (77°F) and an average of 19°C (67°F). There are six days of light precipitation, totaling 23 mm (0.9 in), coupled with a humidity level of 74%. In contrast, May brings warmer temperatures, with a minimum of 20°C (69°F) and a maximum reaching up to 34°C (94°F), averaging 28°C (82°F). However, May is also a wetter month, experiencing about 90 mm (3.6 in) of rain over 16 days, and the humidity climbs to 81%. For more details about the weather in May, you can check out Haikou weather in May.
In January, the weather is relatively mild, with average temperatures ranging from a low of 10°C (50°F) to a high of 25°C (77°F). The month experiences light precipitation, totaling 23 mm (0.9 in) over about 6 days, and humidity levels are at a comfortable 74%. In contrast, June brings significantly hotter weather, with temperatures soaring from a minimum of 26°C (78°F) to a maximum of 35°C (95°F) and an average of 29°C (85°F). Rainfall increases dramatically, reaching 134 mm (5.3 in) across 15 days, alongside a rise in humidity to 81%. For more details on the weather specifics, check out Haikou weather in June.
In January, the weather is mild with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 25°C (77°F), creating an average of 19°C (67°F). The month experiences relatively low precipitation, totaling 23 mm (0.9 in) over just 6 days, and humidity sits at a comfortable 74%. In contrast, July brings much warmer conditions, with temperatures soaring between 26°C (78°F) and 36°C (97°F), averaging around 29°C (85°F). This summer month is also characterized by significantly higher rainfall, with a total of 169 mm (6.6 in) spread over 18 days, contributing to a higher humidity level of 87%. For more detailed insights, you can check Haikou weather in July.
January and August showcase contrasting weather patterns. In January, temperatures are milder, with a minimum of 10°C (50°F) and an average of 19°C (67°F), peaking at 25°C (77°F). The month sees relatively low precipitation at 23 mm (0.9 in) over six days, accompanied by a humidity level of 74%. In stark contrast, August experiences significantly warmer temperatures, ranging from a minimum of 26°C (78°F) to an average of 29°C (84°F) and maxing out at 33°C (92°F). The weather is much wetter during this month, with a staggering 275 mm (10.8 in) of rain across 21 days, along with higher humidity at 86%. For a detailed look at August weather, check out Haikou weather in August.
In January, the weather is mild with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 25°C (77°F), while average temperatures hover around 19°C (67°F). Precipitation is relatively low at 23 mm (0.9 in) over six days, and humidity sits at 74%. In contrast, September experiences much warmer temperatures, with a minimum of 25°C (77°F) and highs reaching 33°C (91°F), leading to an average temperature of 28°C (83°F). However, this month also brings significantly higher rainfall, totaling 159 mm (6.3 in) across 18 days, and humidity rises to 82%. For more detailed information, you can check Haikou weather in September.
January and October present notably different weather characteristics. In January, temperatures range from a minimum of 10°C (50°F) to a maximum of 25°C (77°F), with an average temperature of 19°C (67°F). This month experiences relatively low precipitation at 23 mm (0.9 in) over about 6 days, and the humidity sits at 74%. In contrast, October features warmer temperatures, with minimums of 21°C (70°F) and maximums reaching 31°C (88°F), averaging at 26°C (79°F). However, October is significantly wetter, receiving 215 mm (8.5 in) of rainfall over 18 days and having higher humidity at 81%. For a detailed view of what to expect, you can check out Haikou weather in October.
In January, the weather features a mild temperature range with a minimum of 10°C (50°F) and a maximum of 25°C (77°F), resulting in an average temperature of 19°C (67°F). The month sees relatively low precipitation at 23 mm (0.9 in) over about 6 days, alongside a humidity level of 74%. In contrast, November experiences warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 28°C (83°F), leading to an average of 24°C (75°F). However, it also records higher rainfall, totaling 43 mm (1.7 in) over 9 days, and increased humidity at 80%. For a detailed look at the conditions during this time, visit Haikou weather in November.
In January, the weather is generally milder with a minimum temperature of 10°C (50°F) and an average high of 25°C (77°F). The month experiences around 23 mm (0.9 in) of precipitation over 6 days, contributing to a humidity level of 74%. In contrast, December sees slightly warmer temperatures, with a minimum of 13°C (56°F) and an average maximum of 27°C (80°F). Precipitation is slightly higher at 28 mm (1.1 in) over 8 days, resulting in a humidity level of 79%. For more detailed weather information, you can explore Haikou weather in December.
As January unfolds in Haikou, the weather showcases a delightful contrast to the summer months, offering a mild and pleasant climate that's perfect for exploration. With a comfortable average temperature, this month stands out as a refreshing respite from the summer heat, while the humidity remains manageable. While occasional rain may grace the city, with a few wet days, the total precipitation is relatively low, making it an ideal time for outdoor activities. January's delightful weather not only invites visitors but also sets the stage for enjoying the natural beauty and vibrant culture of the region. For a deeper insight into Haikou's climate, check out Haikou Climate.